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Re: Master процесс nginx 0 .6.38 съедает всю доступную память
On Mon, Sep 14, 2009 at 01:32:48PM +0500, Одинцов Павел wrote:
> Добрый день!
>
> Вот strace.
>
> close(783) = 0
> close(784) = 0
> close(785) = 0
> close(786) = 0
> close(787) = 0
> close(788) = 0
> close(789) = 0
> close(790) = 0
> close(791) = 0
> close(792) = 0
> close(793) = 0
> close(794) = 0
> close(795) = 0
> close(796) = 0
> close(797) = 0
> close(798) = 0
> close(800) = 0
> close(801) = 0
> close(802) = 0
> close(1600) = 0
> close(1601) = 0
> close(1602) = 0
> close(1603) = 0
> close(1604) = 0
> close(1605) = 0
> socketpair(PF_FILE, SOCK_STREAM, 0, [9, 10]) = 0
> ioctl(9, FIONBIO, [1]) = 0
> ioctl(10, FIONBIO, [1]) = 0
> ioctl(9, FIOASYNC, [1]) = 0
> fcntl(9, F_SETOWN, 16321) = 0
> fcntl(9, F_SETFD, FD_CLOEXEC) = 0
> fcntl(10, F_SETFD, FD_CLOEXEC) = 0
> clone(child_stack=0,
> flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD,
> child_tidptr=0x2b2a7b0d5360) = 22337
> sendmsg(7, {msg_name(0)=NULL,
> msg_iov(1)=[{"\1\0\0\0\0\0\0\0AW\0\0\0\0\0\0\2\0\0\0\0\0\0\0\t\0\0\0\0\0\36!",
> 32}], msg_controllen=24, {cmsg_len=20, cmsg_level=SOL_SOCKET,
> cmsg_type=SCM_RIGHTS, {9}}, msg_flags=0}, 0) = 32
> sendmsg(3, {msg_name(0)=NULL,
> msg_iov(1)=[{"\1\0\0\0\0\0\0\0AW\0\0\0\0\0\0\2\0\0\0\0\0\0\0\t\0\0\0\0\0\36!",
> 32}], msg_controllen=24, {cmsg_len=20, cmsg_level=SOL_SOCKET,
> cmsg_type=SCM_RIGHTS, {9}}, msg_flags=0}, 0) = 32
> sendmsg(805, {msg_name(0)=NULL,
> msg_iov(1)=[{"\1\0\0\0\0\0\0\0AW\0\0\0\0\0\0\2\0\0\0\0\0\0\0\t\0\0\0\0\0\36!",
> 32}], msg_controllen=24, {cmsg_len=20, cmsg_level=SOL_SOCKET,
> cmsg_type=SCM_RIGHTS, {9}}, msg_flags=0}, 0) = 32
> sendmsg(3, {msg_name(0)=NULL,
> msg_iov(1)=[{"\3\0\0\0\0\0\0\0AW\0\0\0\0\0\0\2\0\0\0\0\0\0\0\377\377\377\377\0\0\36!",
> 32}], msg_controllen=0, msg_flags=0}, 0) = 32
> rt_sigsuspend([]) = ? ERESTARTNOHAND (To be restarted)
> --- SIGCHLD (Child exited) @ 0 (0) ---
> gettimeofday({1252914806, 264791}, NULL) = 0
> wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], WNOHANG, NULL) = 9115
> wait4(-1, 0x7fff33ef85c4, WNOHANG, NULL) = 0
> rt_sigreturn(0xffffffffffffffff) = -1 EINTR (Interrupted system call)
> gettimeofday({1252914806, 265065}, NULL) = 0
> close(805) = 0
> close(806) = 0
> sendmsg(7, {msg_name(0)=NULL,
> msg_iov(1)=[{"\2\0\0\0\0\0\0\0\233#\0\0\0\0\0\0\3\0\0\0\0\0\0\0\377\377\377\377\0\0\0\0",
> 32}], msg_controllen=0, msg_flags=0}, 0) = 32
> sendmsg(3, {msg_name(0)=NULL,
> msg_iov(1)=[{"\2\0\0\0\0\0\0\0\233#\0\0\0\0\0\0\3\0\0\0\0\0\0\0\377\377\377\377\0\0\0\0",
> 32}], msg_controllen=0, msg_flags=0}, 0) = 32
> sendmsg(9, {msg_name(0)=NULL,
> msg_iov(1)=[{"\2\0\0\0\0\0\0\0\233#\0\0\0\0\0\0\3\0\0\0\0\0\0\0\377\377\377\377\0\0\0\0",
> 32}], msg_controllen=0, msg_flags=0}, 0) = 32
> rt_sigsuspend([]) = ? ERESTARTNOHAND (To be restarted)
> --- SIGIO (I/O possible) @ 0 (0) ---
> gettimeofday({1252914806, 266093}, NULL) = 0
> rt_sigreturn(0x7fff33ef8560) = -1 EINTR (Interrupted system call)
> gettimeofday({1252914806, 266197}, NULL) = 0
> rt_sigsuspend([]) = ? ERESTARTNOHAND (To be restarted)
> --- SIGCHLD (Child exited) @ 0 (0) ---
> gettimeofday({1252914808, 891963}, NULL) = 0
> wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], WNOHANG, NULL) = 22306
> wait4(-1, 0x7fff33ef85c4, WNOHANG, NULL) = 0
> rt_sigreturn(0xffffffffffffffff) = -1 EINTR (Interrupted system call)
> gettimeofday({1252914808, 892239}, NULL) = 0
> close(3) = 0
> close(4) = 0
> sendmsg(7, {msg_name(0)=NULL,
> msg_iov(1)=[{"\2\0\0\0\0\0\0\0\"W\0\0\0\0\0\0\1\0\0\0\0\0\0\0\377\377\377\377\0\0\0\0",
> 32}], msg_controllen=0, msg_flags=0}, 0) = 32
> sendmsg(9, {msg_name(0)=NULL,
> msg_iov(1)=[{"\2\0\0\0\0\0\0\0\"W\0\0\0\0\0\0\1\0\0\0\0\0\0\0\377\377\377\377\0\0\0\0",
> 32}], msg_controllen=0, msg_flags=0}, 0) = 32
> rt_sigsuspend([]) = ? ERESTARTNOHAND (To be restarted)
> --- SIGIO (I/O possible) @ 0 (0) ---
> gettimeofday({1252914808, 892960}, NULL) = 0
> rt_sigreturn(0x7fff33ef8560) = -1 EINTR (Interrupted system call)
> gettimeofday({1252914808, 893066}, NULL) = 0
> rt_sigsuspend([]) = ? ERESTARTNOHAND (To be restarted)
> --- SIGCHLD (Child exited) @ 0 (0) ---
> gettimeofday({1252914825, 575495}, NULL) = 0
> wait4(-1, [{WIFEXITED(s) && WEXITSTATUS(s) == 0}], WNOHANG, NULL) = 22288
> wait4(-1, 0x7fff33ef85c4, WNOHANG, NULL) = 0
> rt_sigreturn(0xffffffffffffffff) = -1 EINTR (Interrupted system call)
> gettimeofday({1252914825, 575770}, NULL) = 0
> close(7) = 0
> close(8) = 0
> sendmsg(9, {msg_name(0)=NULL,
> msg_iov(1)=[{"\2\0\0\0\0\0\0\0\20W\0\0\0\0\0\0\0\0\0\0\0\0\0\0\377\377\377\377\0\0\0\0",
> 32}], msg_controllen=0, msg_flags=0}, 0) = 32
> rt_sigsuspend([]) = ? ERESTARTNOHAND (To be restarted)
> --- SIGIO (I/O possible) @ 0 (0) ---
> gettimeofday({1252914825, 576096}, NULL) = 0
> rt_sigreturn(0x7fff33ef8560) = -1 EINTR (Interrupted system call)
> gettimeofday({1252914825, 576201}, NULL) = 0
> rt_sigsuspend([] <unfinished ...>
> +++ killed by SIGKILL +++
>
> а тут мы его уже сами ложим по killall -9, чтобы оживить систему.
Это strace с какого момента ? И где примерно по strace (если это можно
было отследить) начала расти память ? Вообще, здесь не видно ни одного
сисколла, который бы выделял память.
--
Игорь Сысоев
http://sysoev.ru
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